.container-c{
    width: 1200px;
    margin: 0 auto;
}

.container-c .banner{
    width: 1200px;
    height: 300px;
    background: url(../img/project_banner.jpg) no-repeat 0 -90px;
    background-size: cover;
}
.position-subnav{
    height: 60px;
    margin-top: 0px;
}
.position-subnav.active{
    margin-top: 50px;
}
.position-info{
    float: left;
    width: 300px;
}
.sub-nav{
    float: right;
}
.sub-nav ul{
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 340px;
    height: 25px;
    margin: 0 auto;
    margin-top: 20px;
}
 .sub-item{
    position: relative;
    text-align: center;
    height: 24px;
    width: 34px;
}
 .sub-item a{
    height: 100%;
    font-size: 14px;
    text-align: center;
    line-height: 25px;
    transition: all .5s ease;
}
 .sub-item a:hover{
    font-size: 16px;
    color: #668aca;
}
 .sub-item.active a{
    font-size: 16px;
    color: #668aca;
}
 .sub-item a:hover+.line{
    opacity: 1;
}
 .sub-item.active .line{
    opacity: 1;
}
 .sub-item .line{
    position: absolute;
    top: 23px;
    left: 10px;
    width: 1em;
    height: 1px;
    background-color: #668aca;
    opacity: 0;
    transition: all .5s ease;
}
 .sub-item .sub-line{
    position: absolute;
    left: 65px;
    top: 50%;
    margin-top: -4px;
	width: 1px;
	height: 8px;
	background-color: #b5b5b5;
}

.project-pic{
    width: 100%;
    height: 520px;
    margin-top: 50px;
    cursor: pointer;
}
.project-pic.bottom{
    height: 270px;
}
.project-pic .pic-list{
    display: flex;
    justify-content: space-between;
    align-items: center;
    align-content: center;
    flex-wrap: wrap;
}
.pic-item img{
    width: 360px;
    height: 180px;
    border-radius: 5px;
    transition: all .5s ease;
}
.pic-item .text{
    width: 100%;
    height: 60px;
    margin-top: 30px;
}
.pic-item .text-0{
    font-size: 14px;
    text-indent: 50px;
    color: #767676;
}
.pic-item .text-1{
    font-size: 12px;
    line-height: 30px;
    text-indent: 50px;
    color: #767676;
}
.pic-item:hover img{
    transform: scale(1.05);
}